Wrench.



Section of the same.

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Patented April 12, 1904-..

PATENT 1 i Fries.,`

JACOB KU HN OF Pl'llSBUliG, PENNSYLVANIA, ASSIGNOR t )F ONHFOURTH '10 A. ELSENRATH, OF ALLEGHENY, PENNSYLVANIA.

' WRENCH.

SPECIFICATION forming part of Letters Patent N o. 757,207, dated April 12, 1904. application led February l5, 1904. Serial No. 193,653. (No model.)

To all whom tmc/y concern:

Beit known thatI, J Aeon KUHN, a citizen of the United States of America, residing at Pittsburg, inthe county of Allegheny and State of Pennsylvania, have invented certain new and useful Improvements in Wrenches, of which the following is a specification, reference beinghad therein to the accompanying drawings.

This invention relates to certain new and use-f ful improvements in wrenches, and relates more particularly to quick-'acting wrenches" having sliding jaw.

The present invention has for its object thel provision of novel means for the rapid, quick, and accurate adjustment of the Sliding jaw.

My invention aims to provide a tool of the above; described character that will be extremely simple in its construction, strong, durable, and comparatively inexpensi ve to manu facture With the above and other objects in view my invention consists in the novel construction, combination, and arrangement of parts to be hereinafter more particularly described, an specifically pointed out in the claim.

ln describing the invention in detail reference ishad to the accompanying drawings, forming a part of this speciticatiolnand wherein like numerals ofreference indicate like parts throughout the several views, in which- Figure 1 is a side elevation of my improved wrench. Fig. 2 is a transverse vertical sectional view thereof. Fig. Sis a longitudinal 4formed on its one side a toothed rack 2. Said .shank carries at its upper end a stationary jaw 3 and at its lowerend a shaft/1, which is screwittcd at its free and, as indicated at Upon this shal't -1 is secured a suitable handle (i. A sliding jaw 7 is arranged upon the shank 1 Fig. 4 is a perspective and is adapted to freely slide thereupon, the shank extending through the openings S and 9 formed in the sliding jaw. This sliding jaw 7 has also'formed therein a transverse opening 10, which is adapted to receive the sleeve 11. This sleeve has formed therein screw-threaded openings 12 and I4, which are arranged opposite eachother. The said opening 14 receives a screw-cap 15, which is adapted to retain in position a spiral spring 16, which is normally expanded and operates in an opening 17, formed between the innerwall oli the sleeve 11 and outer face of tbe shank 1. The'` sleeve 11 has one of its walls slightly cutaway, as shown at 18, and forms a beveled face 19, npo'n which is seated the beveled side 20 of the movable lug 21. This lug is also formed vwith an opening 22, and the beveled side is also formed with a beveled heel portion 23, which extends inwardly a slight distance beyond the inner wall of the' sleeve 11 and is adapted to engage in the toothed rack 2, formed upon the shank 1, the spring 16 serving to form a locking engagement of the sliding jaw upon the shank. A nut 24 engages the end of the shaft 4 and serves to retain the handle securely in position. f

It Vwill be seenthat all the parts of the wrench are constructed that the same may be readily accessible and that any of the parts may beeasily renewed should occasion require it.

The Operation of my improved wrench is as follows: By exerting a pressure upon the sideof the sleeve carrying the screw-cap 15 the beveled heel 23 will be released from engagement with the toothed rack and will permit the sliding jaw to be easily operated 'upon the shank, and when the pressure is released the spring 16,will tend to automatically lock the sliding jaw by tormingalockng engagement of the bevel 23 with the toothed rack.

The many other advantages presented by my improved l wrench will be readily apparent from the foregoing description, taken'incofr.

nection with .the accompanying drawings.

It will be noticed that various changes may be made' inthe details of construction of my improved wrench without departing from the general spirit of my invention.

heel adapted to engage said toothed rack, and screw-threaded caps secured in said screwthreaded apertures, all parts being arranged substantially as described and for the purposes I 5 set forth. In testimony whereof I affix my signature in fthe presence of two witnesses.

JACOB KUHN.

Having fully described my invention, what I-claim as new, and desire to secure by Letters Patent7` is- In a wrench, the combination of a shank car- 5 rying a toothed rack and a stationary jaw, a sliding -jaw having a central and transverse. opening formed therein; a sleeve fitting in said transverse opening and embraei g said shank,

said sleeve having formed terein screy- Witnesses: IO threaded apertures, a spring arranged in sald l H. C. EVERT,

sleeve, an apertured lug carrylng a beveled E. E. POTTER 

